5 citations · 12 across the 9 of their papers we have counts for
4 papers · 2 filters
How life-table right-censoring affected the Brazilian Social Security Factor: an application of the gamma-Gompertz-Makeham model
Filipe Costa de Souza, Wilton Bernardino, Silvio Cabral Patricio
Automatic Adjustment Mechanisms (AAM) are legal instruments that help social security systems respond to demographic and economic changes. In Brazil, the Social Security Factor (SS…
Makeham Mortality Models as Mixtures
Silvio C. Patricio, Trifon I. Missov
The Makeham term is a crucial element in mortality modeling, representing a constant additive hazard that addresses background mortality factors unrelated to aging. Widely used in…
Improvements in Age-Specific Mortality at the Oldest Ages
Trifon I. Missov, Silvio C. Patricio, Francisco Villavicencio
Age-specific mortality improvements are non-uniform, neither across ages nor across time. We propose a two-step procedure to estimate the rates of mortality improvement (RMI) in ag…
Mortality modeling at old-age: a mixture model approach
Silvio C. Patricio, Fredy Castellares, Bernardo L. Queiroz
This paper presents a novel approach for modeling mortality rates above age 70 by proposing a mixture-based model. This model is compared to four other widely used models: the Bear…